U.S. Coast Guard policy requires marine employers to have an alcohol testing device(s) readily accessible on board the vessel to determine the presence of alcohol in the system of each individual directly involved in a Serious Marine Incident (SMI). However, if testing by a third party can be accomplished within two hours of the SMI, then the marine employer does not need alcohol testing capabilities on board. In either case, alcohol testing, whether on board a vessel or contracted on shore in a location easily accessible by the vessel, becomes a requirements. 

Other applications of alcohol testing on waterways include screening tests for boating while intoxicated. Many boating accidents are due to drinking and driving, and may be avoided through an alcohol testing program. 

For pricing on our breath alcohol testing instruments please contact your local Intoximeters representative, Customer Service at (314) 429-4000 or request the information through our Product Information Request page.

Learn more about the types of testing methods allowed and the best way to comply with US Coast Guard regulations


Testing Type Applications Instrument Recommendations
Maritime / USCG Testing - On December 22, 2005 the U.S. Coast Guard published a final rule (46 CFR Part 4) regarding chemical testing following serious marine incidents.  This rule became effective on June 20, 2006. 

Section 46 CFR Part 4.06-15(a) requires marine employers to have an alcohol testing device(s) readily accessible on  board the vessel to determine the presence of alcohol in the system of each individual who was directly involved in the SMI.  If testing by a third party can be accomplished within 2 hours of the SMI, then the marine employer does not need alcohol testing capability on board.   View PDF 46 CFR Part 4.

Collection of an employee's breath or saliva to comply with Part 4 chemical testing requirements must be done by personnel trained to operate the alcohol-testing device.  Intoximeters offers training programs for all of our instruments to assist marine employers in complying with this regulation.
  • USCG Regulated Testing and 
  • Company Policy / Unregulated Testing
  • Boating While Intoxicated prevention and enforcement